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authorIngo Molnar <mingo@elte.hu>2008-06-16 11:15:21 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 11:15:21 +0200
commitf9e8e07e074a880e110922759dcdb369fecdf07c (patch)
tree61bc9a61e0a0546a81d699047d9e001c50b52d50 /arch/ia64/kvm/mmio.c
parente9886ca3a93d7d041d3de8e5acebe213da777d59 (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into sched-develtip-sched-devel-2008-06-16_09.15_Mon
Diffstat (limited to 'arch/ia64/kvm/mmio.c')
-rw-r--r--arch/ia64/kvm/mmio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/ia64/kvm/mmio.c b/arch/ia64/kvm/mmio.c
index 351bf70da463..7f1a858bc69f 100644
--- a/arch/ia64/kvm/mmio.c
+++ b/arch/ia64/kvm/mmio.c
@@ -159,7 +159,8 @@ static void mmio_access(struct kvm_vcpu *vcpu, u64 src_pa, u64 *dest,
if (p->u.ioreq.state == STATE_IORESP_READY) {
if (dir == IOREQ_READ)
- *dest = p->u.ioreq.data;
+ /* it's necessary to ensure zero extending */
+ *dest = p->u.ioreq.data & (~0UL >> (64-(s*8)));
} else
panic_vm(vcpu);
out: